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As a specialized manufacturer since 1970, Shandong Huilong Electrical Material Co., Ltd. delivers premium Polyester/Polyamide Enameled Aluminum Magnet Wire engineered for demanding electrical applications. Our EIW 180°C rated wire combines exceptional thermal stability with superior dielectric strength, providing reliable performance in high-temperature environments. With over 50 years of industry expertise and ISO-certified manufacturing across our 20,000+ sqm facility, we ensure consistent quality for global clients across 15+ markets.
Core Advantages:
- Double-layer insulation system enhances mechanical abrasion resistance
- Aluminum conductor reduces coil weight by 50% versus copper alternatives
- Excellent chemical resistance against oils, solvents and refrigerants
- Low dielectric loss maintains efficiency in high-frequency applications
Technical Specifications:
| Property | Standard Value | Test Method |
| Thermal Endurance | 20,000+ hours at 180°C | IEC 60172 |
| Dielectric Strength | Min. 7 kV | IEC 60851-5 |
| Elongation at Break | ≥ 15% | ASTM B193 |
This magnet wire demonstrates outstanding flexibility during winding operations while maintaining dimensional stability across temperature fluctuations from -40°C to +200°C. The polyester-imide base layer provides thermal protection, while the polyamide top coat delivers exceptional cut-through resistance. Applications include:
- HVAC compressor motors
- Electric vehicle traction systems
- Power transformers
- Industrial automation equipment
- Renewable energy generators
- Hermetic refrigeration compressors
Backed by our $100M+ annual export volume and certifications including ISO9001, TS16949 and ISO14000, we guarantee material traceability and batch-to-batch consistency. With direct shipments available from Qingdao, Shanghai, Ningbo and Tianjin ports, our 51-100 member engineering team supports customized solutions for North American, European and Asian markets.
Frequently Asked Questions:
Q: What temperature margin does EIW 180°C designation provide?
A: The classification indicates continuous operation capability at 180°C with 25°C hotspot allowance, per IEC 60317 standards.
Q: Can this wire be used with automatic winding equipment?
A: Yes, our controlled friction surface coating ensures smooth feeding through CNC winders at speeds up to 1,200 rpm.
Q: What diameters are available?
A: Standard range covers 0.2mm - 5.0mm, with custom sizes achievable through our precision drawing facilities.
Q: How does aluminum compare to copper in conductivity?
A: Aluminum provides approximately 61% IACS conductivity, requiring 1.6x larger cross-section for equivalent current capacity.
Q: What packaging options exist?
A: We supply on plastic spools (150mm-500mm flange) or custom-weight coils with moisture-barrier wrapping.
Q: Are sample orders available?
A: Yes, sample reels can be provided for qualification testing within 7 working days.
Leverage our four-decade expertise in electromagnetic materials to enhance your product reliability. Contact our technical team today for specification sheets and volume pricing tailored to your application requirements.
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